As Michael suggested above, you can get Lightning from there: https://help.ubuntu.com/community/ThunderbirdLightning . So far, after about a month of use, I have had no problems with the 64bit version, so with no other alternative I will just continue using it.
-- [MASTER] Please update lightning extension to version 1.0 for use with Thunderbird 3 https://bugs.launchpad.net/bugs/532232 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
